Young, P., The Inks of De La Rue & Co. and their introduction of ... AUT-Béla signed and with glued-in stamp

signed and with glued-in stamp with special cancellation '170 years of the Ybbs post office' #67692

here is one copy without the usual change notes

special issue

Gerhard: From Dessau's Postal History

Munich and various specialty providers

Young, P., The Inks of De La Rue & Co. and their introduction of ... AUT-Béla signed and with glued-in stampYoung, P., The Inks of De La Rue & Co. and their introduction of synthetic and aniline ingredients c. 18501910, Royal Philatelic Society, 2021, everything about the production of colors and the printing of Victorian stamps by the De La Rue company of Great Britain and colonies, 414 pp., with illustrations, for the specialist, very small edition and already sold out, here is another copy fresh off the press! #71922